Add 81/80 and 3/27
1st number: 1 1/80, 2nd number: 3/27
81/80 + 3/27 is 809/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
81/80 = 81 × 27/80 × 27 = 2187/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
3/27 = 3 × 80/27 × 80 = 240/2160 - Add the two like fractions:
2187/2160 + 240/2160 = 2187 + 240/2160 = 2427/2160 - 2427/2160 simplified gives 809/720
- So, 81/80 + 3/27 = 809/720
In mixed form: 189/720
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